fix tests

Signed-off-by: Julien Veyssier <julien-nc@posteo.net>

Author: julien-nc

tests/unit/Service/ProvisioningServiceTest.php

@@ -154,7 +154,7 @@ public function testProvisionUserAutoProvisioning(): void {
 			->method('get')
 			->willReturn($user);
 
-		$backendUser->expects(self::once())
+		$user->expects(self::once())
 			->method('setDisplayName')
 			->with($name);
 		$user->expects(self::once())